hw2_soln

# hw2_soln - (The first printing of the 2nd edition left out...

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Rice University ELEC 220 – Fundamentals of Computer Engineering Homework #2 Solutions to Problems from Patt & Patel, second Edition. Homework graded out of 100 points. All problems except 3.24 are worth 16 points. Problem 3.24 is worth 20 points. For truth tables, assign each row equal weight. For multipart problems, assign each part equal weight. 1. Chapter 3, problem 3.5. Creating a truth table from transistor circuit. 2. Chapter 3, problem 3.6. Creating another truth table from a transistor circuit.

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3. Chapter 3, problem 3.8. Design circuit to implement a logic function. CORRECTION: The circuit implements Y = NOT (A AND (B OR C) )
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Unformatted text preview: (The first printing of the 2nd edition left out the NOT. If you have a used book, it might have the error.) Note: For 3.8 assignment of B,C is interchangeable. 4. Chapter 3, problem 3.16. Generate a logic circuit for a PLA. 5. Chapter 3, problem 3.24. Design of an adder. 3.24 (a) X=0 => S = A+B, X=1 => S = A+C 3.24 (b) Circuit diagram is same as Figure 3.39 with the following modifications: C = NOT (B), Carry-in = X 6. Chapter 3, problem 3.25. Estimating propagation delay in circuits. 3.25 (a) 3 gate delays 3.25 (b) 3 gate delays 3.25 (c) 3*4 = 12 gate delays 3.25 (d) 3*32 = 96 gate delays...
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hw2_soln - (The first printing of the 2nd edition left out...

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